CVE-2022-27123
📋 TL;DR
Employee Performance Evaluation v1.0 contains a SQL injection vulnerability in the email parameter that allows attackers to execute arbitrary SQL commands. This affects all users running the vulnerable version of this software. Attackers can potentially access, modify, or delete database contents.
💻 Affected Systems
- Employee Performance Evaluation
📦 What is this software?
Employee Performance Evaluation by Employee Performance Evaluation Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data destruction, authentication bypass, and potential remote code execution if database functions allow it.
Likely Case
Unauthorized data access, privilege escalation, and potential data manipulation affecting employee performance records.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation in place.
🎯 Exploit Status
SQL injection via email parameter is straightforward to exploit with common SQL injection techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
1. Check for updated version from vendor
2. If no patch available, implement workarounds
3. Consider replacing with alternative software
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation for email parameter to reject malicious input
Web Application Firewall (WAF)
allDeploy WAF with SQL injection rules to block exploitation attempts
🧯 If You Can't Patch
- Isolate the application behind a reverse proxy with strict input filtering
- Implement network segmentation to limit database access from application server
🔍 How to Verify
Check if Vulnerable:
Test email parameter with SQL injection payloads like ' OR '1'='1Check Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify parameterized queries are implemented and input validation rejects SQL injection attempts📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts with SQL patterns
Network Indicators:
- HTTP requests with SQL keywords in email parameter
- Unusual database query patterns
SIEM Query:
source="web_logs" AND (email="*' OR*" OR email="*;--*" OR email="*UNION*" OR email="*SELECT*" OR email="*INSERT*")